/*
* Copyright 2014 NAVER Corp.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.navercorp.pinpoint.plugin.jdbc.jtds;
import com.navercorp.pinpoint.bootstrap.instrument.InstrumentClass;
import com.navercorp.pinpoint.bootstrap.instrument.InstrumentException;
import com.navercorp.pinpoint.bootstrap.instrument.Instrumentor;
import com.navercorp.pinpoint.bootstrap.instrument.transformer.TransformCallback;
import com.navercorp.pinpoint.bootstrap.instrument.transformer.TransformTemplate;
import com.navercorp.pinpoint.bootstrap.instrument.transformer.TransformTemplateAware;
import com.navercorp.pinpoint.bootstrap.interceptor.scope.ExecutionPolicy;
import com.navercorp.pinpoint.bootstrap.logging.PLogger;
import com.navercorp.pinpoint.bootstrap.logging.PLoggerFactory;
import com.navercorp.pinpoint.bootstrap.plugin.ProfilerPlugin;
import com.navercorp.pinpoint.bootstrap.plugin.ProfilerPluginSetupContext;
import com.navercorp.pinpoint.bootstrap.plugin.jdbc.JdbcUrlParserV2;
import java.security.ProtectionDomain;
import static com.navercorp.pinpoint.common.util.VarArgs.va;
/**
* @author Jongho Moon
*/
public class JtdsPlugin implements ProfilerPlugin, TransformTemplateAware {
private final PLogger logger = PLoggerFactory.getLogger(this.getClass());
private final JdbcUrlParserV2 jdbcUrlParser = new JtdsJdbcUrlParser();
private TransformTemplate transformTemplate;
@Override
public void setup(ProfilerPluginSetupContext context) {
JtdsConfig config = new JtdsConfig(context.getConfig());
if (!config.isPluginEnable()) {
logger.info("Jtds plugin is not executed because plugin enable value is false.");
return;
}
context.addJdbcUrlParser(jdbcUrlParser);
addConnectionTransformer(config);
addDriverTransformer();
addPreparedStatementTransformer(config);
addCallableStatementTransformer();
addStatementTransformer();
}
private void addConnectionTransformer(final JtdsConfig config) {
TransformCallback transformer = new TransformCallback() {
@Override
public byte[] doInTransform(Instrumentor instrumentor, ClassLoader loader, String className, Class<?> classBeingRedefined, ProtectionDomain protectionDomain, byte[] classfileBuffer) throws InstrumentException {
InstrumentClass target = instrumentor.getInstrumentClass(loader, className, classfileBuffer);
target.addField("com.navercorp.pinpoint.bootstrap.plugin.jdbc.DatabaseInfoAccessor");
target.addScopedInterceptor("com.navercorp.pinpoint.bootstrap.plugin.jdbc.interceptor.ConnectionCloseInterceptor", JtdsConstants.JTDS_SCOPE);
target.addScopedInterceptor("com.navercorp.pinpoint.bootstrap.plugin.jdbc.interceptor.StatementCreateInterceptor", JtdsConstants.JTDS_SCOPE);
target.addScopedInterceptor("com.navercorp.pinpoint.bootstrap.plugin.jdbc.interceptor.PreparedStatementCreateInterceptor", JtdsConstants.JTDS_SCOPE);
if (config.isProfileSetAutoCommit()) {
target.addScopedInterceptor("com.navercorp.pinpoint.bootstrap.plugin.jdbc.interceptor.TransactionSetAutoCommitInterceptor", JtdsConstants.JTDS_SCOPE);
}
if (config.isProfileCommit()) {
target.addScopedInterceptor("com.navercorp.pinpoint.bootstrap.plugin.jdbc.interceptor.TransactionCommitInterceptor", JtdsConstants.JTDS_SCOPE);
}
if (config.isProfileRollback()) {
target.addScopedInterceptor("com.navercorp.pinpoint.bootstrap.plugin.jdbc.interceptor.TransactionRollbackInterceptor", JtdsConstants.JTDS_SCOPE);
}
return target.toBytecode();
}
};
transformTemplate.transform("net.sourceforge.jtds.jdbc.ConnectionJDBC2", transformer);
transformTemplate.transform("net.sourceforge.jtds.jdbc.JtdsConnection", transformer);
}
private void addDriverTransformer() {
transformTemplate.transform("net.sourceforge.jtds.jdbc.Driver", new TransformCallback() {
@Override
public byte[] doInTransform(Instrumentor instrumentor, ClassLoader loader, String className, Class<?> classBeingRedefined, ProtectionDomain protectionDomain, byte[] classfileBuffer) throws InstrumentException {
InstrumentClass target = instrumentor.getInstrumentClass(loader, className, classfileBuffer);
target.addScopedInterceptor("com.navercorp.pinpoint.bootstrap.plugin.jdbc.interceptor.DriverConnectInterceptorV2", va(JtdsConstants.MSSQL), JtdsConstants.JTDS_SCOPE, ExecutionPolicy.ALWAYS);
return target.toBytecode();
}
});
}
private void addPreparedStatementTransformer(final JtdsConfig config) {
transformTemplate.transform("net.sourceforge.jtds.jdbc.JtdsPreparedStatement", new TransformCallback() {
@Override
public byte[] doInTransform(Instrumentor instrumentor, ClassLoader loader, String className, Class<?> classBeingRedefined, ProtectionDomain protectionDomain, byte[] classfileBuffer) throws InstrumentException {
InstrumentClass target = instrumentor.getInstrumentClass(loader, className, classfileBuffer);
target.addField("com.navercorp.pinpoint.bootstrap.plugin.jdbc.DatabaseInfoAccessor");
target.addField("com.navercorp.pinpoint.bootstrap.plugin.jdbc.ParsingResultAccessor");
target.addField("com.navercorp.pinpoint.bootstrap.plugin.jdbc.BindValueAccessor");
int maxBindValueSize = config.getMaxSqlBindValueSize();
target.addScopedInterceptor("com.navercorp.pinpoint.bootstrap.plugin.jdbc.interceptor.PreparedStatementExecuteQueryInterceptor", va(maxBindValueSize), JtdsConstants.JTDS_SCOPE);
if (config.isTraceSqlBindValue()) {
target.addScopedInterceptor("com.navercorp.pinpoint.bootstrap.plugin.jdbc.interceptor.PreparedStatementBindVariableInterceptor", JtdsConstants.JTDS_SCOPE);
}
return target.toBytecode();
}
});
}
private void addCallableStatementTransformer() {
transformTemplate.transform("net.sourceforge.jtds.jdbc.JtdsCallableStatement", new TransformCallback() {
@Override
public byte[] doInTransform(Instrumentor instrumentor, ClassLoader loader, String className, Class<?> classBeingRedefined, ProtectionDomain protectionDomain, byte[] classfileBuffer) throws InstrumentException {
InstrumentClass target = instrumentor.getInstrumentClass(loader, className, classfileBuffer);
target.addField("com.navercorp.pinpoint.bootstrap.plugin.jdbc.DatabaseInfoAccessor");
target.addField("com.navercorp.pinpoint.bootstrap.plugin.jdbc.ParsingResultAccessor");
target.addField("com.navercorp.pinpoint.bootstrap.plugin.jdbc.BindValueAccessor");
target.addScopedInterceptor("com.navercorp.pinpoint.bootstrap.plugin.jdbc.interceptor.CallableStatementRegisterOutParameterInterceptor", JtdsConstants.JTDS_SCOPE);
return target.toBytecode();
}
});
}
private void addStatementTransformer() {
transformTemplate.transform("net.sourceforge.jtds.jdbc.JtdsStatement", new TransformCallback() {
@Override
public byte[] doInTransform(Instrumentor instrumentor, ClassLoader loader, String className, Class<?> classBeingRedefined, ProtectionDomain protectionDomain, byte[] classfileBuffer) throws InstrumentException {
InstrumentClass target = instrumentor.getInstrumentClass(loader, className, classfileBuffer);
target.addField("com.navercorp.pinpoint.bootstrap.plugin.jdbc.DatabaseInfoAccessor");
target.addScopedInterceptor("com.navercorp.pinpoint.bootstrap.plugin.jdbc.interceptor.StatementExecuteQueryInterceptor", JtdsConstants.JTDS_SCOPE);
target.addScopedInterceptor("com.navercorp.pinpoint.bootstrap.plugin.jdbc.interceptor.StatementExecuteUpdateInterceptor", JtdsConstants.JTDS_SCOPE);
return target.toBytecode();
}
});
}
@Override
public void setTransformTemplate(TransformTemplate transformTemplate) {
this.transformTemplate = transformTemplate;
}
}